I crumple you crumple he crumples we crumple you crumple they crumple
Present continuous
I am crumpling you are crumpling he is crumpling we are crumpling you are crumpling they are crumpling
Preterite
I crumpled you crumpled he crumpled we crumpled you crumpled they crumpled
Preterite continuous
I was crumpling you were crumpling he was crumpling we were crumpling you were crumpling they were crumpling
Present perfect
I have crumpled you have crumpled he has crumpled we have crumpled you have crumpled they have crumpled
Present perfect continuous
I have been crumpling you have been crumpling he has been crumpling we have been crumpling you have been crumpling they have been crumpling
Pluperfect
I had crumpled you had crumpled he had crumpled we had crumpled you had crumpled they had crumpled
Pluperfect continuous
I had been crumpling you had been crumpling he had been crumpling we had been crumpling you had been crumpling they had been crumpling
Future
I will crumple you will crumple he will crumple we will crumple you will crumple they will crumple
Future continuous
I will be crumpling you will be crumpling he will be crumpling we will be crumpling you will be crumpling they will be crumpling
Future perfect
I will have crumpled you will have crumpled he will have crumpled we will have crumpled you will have crumpled they will have crumpled
Future perfect continuous
I will have been crumpling you will have been crumpling he will have been crumpling we will have been crumpling you will have been crumpling they will have been crumpling
Conditional
Present
I would crumple you would crumple he would crumple we would crumple you would crumple they would crumple
Present continuous
I would be crumpling you would be crumpling he would be crumpling we would be crumpling you would be crumpling they would be crumpling
Past
I would have crumpled you would have crumpled he would have crumpled we would have crumpled you would have crumpled they would have crumpled
Past continuous
I would have been crumpling you would have been crumpling he would have been crumpling we would have been crumpling you would have been crumpling they would have been crumpling